CVE-2026-34884

SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP. This issue affects Apache SkyWalking MCP: 0.1.0. Users are recommended to upgrade to version 0.2.0, which fixes this issue.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - security@apache.org

Published

2026-08-18

Last modified

2026-10-22

Weaknesses

CWE-918

Affected products

• Skywalking Mcp (Apache)
• Apache Skywalking Mcp (Apache Software Foundation)

References

• https://lists.apache.org/thread/s447p6h5dfr02lx17v27phoksgb8mkkp
• http://www.openwall.com/lists/oss-security/2026/04/13/5